/*
 * Copyright 2016 Azavea
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package geotrellis.store.index

object Index {
  /** Encode an index value as a string */
  def encode(index: BigInt, max: Int): String =
    index.toString.reverse.padTo(max, '0').reverse

  /** The number of digits in this index */
  def digits(x: BigInt): Int = x.toString.length
}
